⬆ Bump mypy from 1.18.2 to 1.19.1 (#1679)

Bumps [mypy](https://github.com/python/mypy) from 1.18.2 to 1.19.1.
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.18.2...v1.19.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.19.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Motov Yurii <109919500+YuriiMotov@users.noreply.github.com>

Author: dependabot[bot]

requirements-tests.txt

@@ -4,7 +4,7 @@ pytest >=7.0.1,<9.0.0
 coverage[toml] >=6.2,<8.0
 # Remove when support for Python 3.8 is dropped
 mypy ==1.14.1; python_version < "3.9"
-mypy ==1.18.2; python_version >= "3.9"
+mypy ==1.19.1; python_version >= "3.9"
 ruff ==0.14.10
 # For FastAPI tests
 fastapi >=0.103.2,<0.126.0